Motor consist of stator and rotor, rotor is squirrel cage and stator has winding which is stationary so no rotating winding in the motor. FDA for Handpiece: 510(K) Number: K181900, Regulation Number: 872.4200, Classification Product Code: EFB.
Item Tag: Eustoma
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50W Electric Nail Drill Grinding Machine 50K RPM Brushless Micromotor Polisher
Power: 50W. When installing the grinding head, the rod of the grinding head must be cleaned and cleaned and then loaded into the chuck. When the handle is used, the handle should not be idling and the grinding pin must be installed.
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50K RPM Dental Electric Micromotor Carbon Brushless Polishing Handpiece SDH-550
Type: Brushless handpiece. Handpiece 1. 50,000 RPM’s provides higher speeds, greater torque. Rotate: 0-50000 RPM. Available chucks: 2.35mm(Standard). Or replace item for you.